SEKOIA_Apt_Oilrig_Oilbooster_Strings

rule SEKOIA_Apt_Oilrig_Oilbooster_Strings : FILE
{
	meta:
		description = "Detects OilBooster malware based on strings"
		author = "Sekoia.io"
		id = "001d12bc-1e7e-4a6c-9172-66687d08d827"
		date = "2023-12-20"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_oilrig_oilbooster_strings.yar#L1-L20"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "9562d373ba7602d250aec1eefa2d671da64e897e490da284ffa0e310074266cf"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "/rt.ovf" wide ascii
		$ = "User-Agent: " wide ascii
		$ = "/me/drive/items" wide ascii
		$ = "client_secret" wide ascii

	condition:
		uint16be( 0 ) == 0x4d5a and filesize < 5MB and all of them
}